Abstract: A digitally imageable, photopolymerizable relief precursor at least comprising, arranged one above another in the order stated, (A) a dimensionally stable carrier; (AH) optionally, an adhesion-promoting layer; (B) a relief-forming layer, at least comprising a crosslinkable elastomeric binder, a first ethylenically unsaturated monomer, and a photoinitiator; (C) at least one interlayer, at least comprising a first, non-radically crosslinkable elastic polymer; (D) a laser-ablatable mask layer, at least comprising a second, non-radically crosslinkable elastic polymer, a UVA light-absorbing material, and an IR light-absorbing material; and optionally (E) a removable cover layer; characterized in that the layer (C) and optionally the layer (D) comprise at least one second ethylenically unsaturated monomer.

Abstract: Systems and processes for making a flexo plate, and plates made thereby. Non-printing indicia defined by areas of presence and absence of polymer in the plate floor created using microdots imaged during a LAMS layer imaging step are readable downstream of the washing or other non-cured-polymer-removal step but not to print in the printing step. The non-printing indicia may define a repeating pattern of alphanumeric characters, non-text graphics, or a combination thereof. A difference in growth of plate structures corresponding to different types of microdots may be used for characterizing processing conditions.

Abstract: Methods, systems, and devices for wireless communication are described. A user equipment (UE) capable of supporting multiple antenna ports may determine that some combinations of antenna ports can be used simultaneously. The UE may make this determination by evaluating the relationships between the physical antennas and the transmit chains included in the UE. Upon determining that the combinations of antenna ports can be used simultaneously, the UE may send a message to a base station. The message may indicate whether two or more antenna ports can be used at the same time. The UE may communicate simultaneously over one or more antenna ports based on the scheduling information from the base station which takes into account the ability of the combination of antenna ports to be used concurrently.

Abstract: The present invention aims to provide a CTP flexographic printing original plate having such high performances that, even under a severe low-temperature condition of 10° C. or lower, no crack is generated in a heat-sensitive mask layer and further that, even when the heat-sensitive mask layer is formed as a thin film, no unevenness is generated in an optical density in transmission. A photosensitive CTP flexographic printing original plate, characterized in that, it comprise at least a support, a photosensitive resin layer and a heat-sensitive mask layer which are sequentially layered, that the heat-sensitive mask layer contains a methoxymethylated polys side resin (A) and a water-soluble polyamide resin (B) containing a basic nitrogen atom in a molecule, and that a glass transition point of the polyimide resin (A) is 0° C. to 30° C.

Abstract: Provided is a flexo printing plate which makes it possible to perform printing in which the discontinuity of density is not visually recognized by inhibiting the enlargement of halftone dots in the boundary between an image portion having a low halftone dot area ratio and a non-image portion. The flexo printing plate adopts a constitution in which, within the highlight halftone dot portion having a halftone dot area ratio of higher than 0% and equal to or lower than 10%, among the small dots constituting the highlight halftone dot portion, at least one small dot adjacent to the non-image portion that continues 10 mm or further in a direction separating from the edge of the highlight halftone dot portion has a height smaller than the average height of the small dots of the highlight halftone dot portion.

Abstract: A method forming an alignment layer for a liquid crystal display device including: attaching a transfer film on a printing roll, the transfer film including a convex portion having first-sized halftone dots and second-sized halftone dots; positioning a substrate on a printing table; providing aligning solution on an anilox roll using a doctor roll; and transferring the aligning solution on the anilox roll to the transfer film while moving the printing table and rotating the printing roll, and then coating the aligning solution on the substrate to thereby form an alignment layer on the substrate.

Abstract: An object is to provide a photosensitive composition capable of obtaining a cured film having excellent reliability even when being heated at a low temperature and patterning by photolithography. A photosensitive composition of the present invention includes a polymerizable monomer having three or more (meth)acryloyl groups and one or more carboxy groups in a molecule as Component A, a polymerizable monomer having three or more (meth)acryloyl groups and not having a carboxy group in a molecule as Component B, a photopolymerization initiator as Component C, a solvent as Component D, a blocked isocyanate compound as Component N, and a polymerization inhibitor as Component K, in which a content of Component A is 10% to 50% by mass with respect to a total content of Component A and Component B.

Abstract: Provided is a planographic printing plate precursor including: a support; and an image recording layer formed on the support, in which the content of fine particles per unit area in a region on a plate surface on the image recording layer side from an end portion of the planographic printing plate precursor to a portion inside the end portion by 5 mm is greater than the content of the fine particles per unit area in a region other than the region by an amount of 10 mg/m2 or greater, edge stains are not generated therein, and transferring of the image recording layer is prevented even in a case where planographic printing plate precursors are stored in a stacked state. Further, provided are a method of producing the same and a printing method using the same.

Abstract: The invention pertains to a printing form and a process for preparing a polymeric printing form from a curable composition that includes a multifunctional urethane in a specified reactive group equivalent weight range, and an initiator. The process includes coating the curable composition onto a supporting substrate, such as a print cylinder, to form a layer, curing the layer with heat or by exposure to actinic radiation, and engraving the resulting cured layer to form at least one printing cell in the cured layer. The process prepares novel polymeric printing forms, particularly novel polymeric gravure printing forms, having a cured polymer-based composition layer that is engravable, resistant to solvent inks, and capable of printing gravure-quality images. The present invention shortens the time to prepare gravure printing cylinders and removes the need for and disposal of toxic heavy metals such as copper and chrome associated with conventional gravure print cylinder preparation.

Abstract: The invention relates to a method for cleaning a structured surface (1) of a press tool (2), in particular a press plate or an endless press belt, the contaminations on the surface being burnt away by at least one laser beam and combustion residues being subsequently removed from the surface by means of an air or gas stream.

Abstract: Disclosed is a touch window. The touch window includes a substrate, a sensing electrode on the substrate, and a wire to electrically connect the sensing electrode, and a dummy part is provided in the wire. The touch window includes a substrate, a sensing electrode on the substrate, and a wire to electrically connect the sensing electrode. The wire includes a first wire part and a second wire part adjacent to the first wire part, and the first wire part has a directionality different from a directionality of the second wire part.

Abstract: Digital imageable flexographic printing elements for producing flexographic printing plates, which are developable using hydrocarbon-comprising washout media and which, between the photopolymerizable layer and the digital imageable layer, have a polar, ultrathin, oxygen-blocking barrier layer. Methods for producing flexographic printing plates using such digital imageable flexographic printing elements, by imaging, exposing, washing out, drying, and post-treating, the washout being formed by means of hydrocarbon-comprising washout media.

Abstract: The present invention relates to a conductive ink composition including metal particles, a first solvent having a vapor pressure of 3 torr or less at 25° C., a second solvent having a vapor pressure of more than 3 torr at 25° C., and metal carboxylate, a printing method using the same, and a conductive pattern manufactured by using the same.

Abstract: An intermediate sleeve is provided which is adapted to be mounted on a print cylinder. The intermediate sleeve includes a base layer, a reinforcing layer, a barrier layer, and a surface layer. The sleeve further includes at least one air channel extending longitudinally, circumferentially, or spirally along the interior of the sleeve, at least one air passageway extending from an inner surface of the sleeve into the air channel, and a plurality of orifices extending radially outward from the air channel to an outer surface of the sleeve. The air channel, air passageway, and orifices are in communication such that pressurized air can be supplied from the interior of the print cylinder to the outer surface of the sleeve for mounting a printing sleeve on the intermediate sleeve.

Abstract: A laser-engraveable layer is used in a laser-engraveable element to provide relief images. The resulting laser-engraved elements can take various forms and can be used to apply various inks to receiver materials in an imagewise fashion. The laser-engraveable element has a thermally crosslinked laser-engraveable layer containing a crosslinked elastomeric fluoropolymer and a fluoro-functionalized near-infrared radiation absorber. The crosslinked fluoropolymer has a glass transition temperature of less than and including 0° C. and the crosslinked laser-engraveable layer is formed from a reactive fluoropolymer composition comprising a reactive fluoropolymer, the fluoro-functionalized near-infrared radiation absorber, and a compound that causes crosslinking of the reactive fluoropolymer during thermal curing.

Abstract: A method is disclosed in the context of a system comprises an electrophotographic subsystem, a transfer subsystem, an imaging member, and an inking subsystem. The electrophotographic subsystem comprises a photoreceptor, a charging subsystem, an exposure subsystem, and a development subsystem. In operation, the photoreceptor is charged areawise. An exposure pattern is formed by the exposure subsystem on the surface of the charged photoreceptor to thereby write a latent charge image onto the photoreceptor surface. The image is developed with an image defining material, such as a dampening fluid. The image defining material forms a negative pattern of the image to be printed. This negative image is then transferred to the reimageable surface. The negative image is then developed with ink. The inked image may be transferred to a substrate.

Abstract: A method for making a flexographic printing master includes the steps of providing a flexographic printing support; providing an inkjet printing device; applying a mesa relief on the flexographic printing support with the inkjet printing device; and applying an image relief with the inkjet printing device on the mesa relief. A method for making a flexographic printing master includes the imaging apparatus.

Abstract: The present invention relates to a cliché and a method for manufacturing the same, and the cliché according to the present invention comprises a cliché comprising: a groove pattern, wherein the groove pattern comprises a region composed of linear patterns which do not intersect with each other and the region composed of linear patterns is a square region comprising two or more lines of a linear pattern in the region and comprises a region in which the line width (W) and the depth (D) of the linear pattern and the ratio (R) of a region which does not comprise the linear pattern in the square region and the aperture line width (W0) of a mask pattern for forming a pattern, which corresponds to the linear pattern, satisfy specific relationship equation(s). The cliché according to the present invention may prevent the bottom touch phenomenon of ink transferred onto the cliché.

Abstract: A laser-engraveable flexographic printing precursor or patternable element comprises a laser-engraveable layer having two orthogonal dimensions. This laser-engraveable layer comprises one or more elastomeric resins and non-metallic fibers that are oriented in the laser-engraveable layer predominantly in one of its two orthogonal dimensions. The non-metallic fibers have an average length of at least 0.1 mm and an average diameter of at least 1 ?m. The oriented non-metallic fibers reduce curl and shrinkage in the precursor and improve print quality and press life.

Abstract: Banks, as well as a plurality of substantially recess-shaped cells defined by the banks, are provided in an image section formed in a gravure printing plate. Each of edge cells located along an outer edge of the image section is provided with a projecting portion that projects from a part of a base surface of that edge cell, and each projecting portion is distanced from the banks and located closer to the outer edge than the center of the corresponding edge cell. Preferably, the projecting portions and the banks that face the outer edge are positioned at a predetermined interval from the outer edge, and substantially frame-shaped recess portions that extend continuously along the outer edge are provided in the image section.

Abstract: Banks, as well as a plurality of recess-shaped cells defined by the banks, are provided in an image section formed in a gravure printing plate. A projecting portion is provided in each of the cells so as to protrude from a part of the base surface of that cell. The projecting portions are in positions distanced from the banks. Like the banks, the projecting portions can serve as starting points for the transfer of a printing paste. Accordingly, printing paste that would, in the case where the projecting portions are not provided, remain in the bases of the cells is transferred to the printing target material via the projecting portions, which increases the transfer efficiency. As a result, a paste film that is smooth and has the required thickness can be printed.

Abstract: A printing plate for monotype prints includes a viscoelastic gel composition having a viscoelastic polymer selected from a hydrogenated poly-isoprene/butadiene polymer, poly(styrene-butadiene-styrene), poly(styrene-butadiene)n, poly(styrene-isoprene-styrene), poly(styrene-isoprene)n, poly(styrene-ethylene-propylene), poly(styrene-ethylene-propylene-styrene)n, poly(styrene-ethylene-butylene-styrene)n, poly(styrene-ethylene-butylene), poly(styrene-ethylene-propylene)n, poly(styrene-ethylene-butylene)n, polystyrene, polybutylene, poly(ethylene-propylene), poly(ethylene-butylene), polypropylene, polyethylene, polyurethane and silicone, and a combination thereof, and a plasticizing oil. The viscoelastic gel composition has a smooth surface and is formed as a sheet and shaped for use as a printing plate. A method for using the elastomeric gel printing plates of the present invention is also provided.

Abstract: The present invention aims to provide a flexographic printing original plate where, although it is a flexible aqueous developing plate, reproducibility of fine lines is good. A flexographic printing original plate which is a photosensitive printing original plate where at least (A) a supporting member, (B) a photosensitive resin layer, (C) a protective layer for preventing the polymerization inhibition due to oxygen in the photosensitive resin layer and (D) a heat-sensitive mask layer are successively layered, characterized in that, the photosensitive resin layer (B) is a layer which is able to be developed by water, Young's modulus of the protective layer (C) is 4 MPa to 35 MPa, layer thickness of the protective layer (C) is 0.2 ?m to 2.0 ?m and Young's modulus (MPa) and layer thickness (?m) of the protective layer (C) satisfy the following formula 1: 1?(Young's modulus)×(Layer thickness)2?18??(Formula 1).

Abstract: The invention relates to improvements in methods of making security features, in particular electrotype security features. The electrotype for forming an image during a paper making process comprises a mesh to which is attached at least one image forming element.

Abstract: A relief printing plate precursor for laser engraving is provided. The precursor has high ink resistance toward both an aqueous ink and a solvent ink and is excellent in terms of engraving sensitivity. A process for producing the precursor is also provided. Further, a resin composition for laser engraving is provided which can suitably be used for such a printing plate precursor. The resin composition for laser engraving includes (Component A) a compound that has a crosslinkable group and that is a plastomer at 20° C. and (Component B) a crosslinking agent, Component A and Component B having a (meth)acryloyl group as a crosslinkable group, and at least one of Component A and Component B having an ionic group.

Abstract: Disclosed is a resin composition for laser engraving, comprising (Component A) a hydrocarbon-based plastomer and (Component B) a polyester resin.

Abstract: An object of the present invention is to provide a relief printing plate precursor for laser engraving that is excellent in rinsing properties for engraving residue and engraving sensitivity and can give a sharp engraved shape. Disclosed is a relief printing plate precursor for laser engraving comprising a relief-forming layer formed of a resin composition for laser engraving, or a crosslinked relief-forming layer obtained by crosslinking the relief-forming layer formed of the resin composition for laser engraving, wherein the resin composition for laser engraving comprises a binder polymer as Component A, and carbon black of which pH is higher than 6 and an average particle size when being dispersed into water is equal to or less than 500 nm as Component B.

Abstract: A resin composition for laser engraving that comprises (Component A) a resin that is a plastomer at 20° C., (Component B) a polymerizable compound, and (Component C) a polymerization initiator, wherein Component A has a constitutional repeating unit having an acid group, and the content of the constitutional repeating unit having an acid group is 0.01 to 15 mass % relative to a total mass of Component A. A flexographic printing plate precursor that has a relief-forming layer formed of the resin composition for laser engraving on a support, and a flexographic printing plate precursor that has a crosslinked relief-forming layer obtained by crosslinking a relief-forming layer formed of the resin composition for laser engraving by heat and/or light.

Abstract: Disclosed is a resin composition for laser engraving comprising (Component A) a polymer having a monomer unit derived from a conjugated diene-based hydrocarbon, (Component B) a compound having an acid group and an ethylenically unsaturated bond; and (Component C) a polymerization initiator.

Abstract: Ablation-type printing plates having improved exposure sensitivity are produced using an imaging layer—i.e., the plate layer that absorbs and ablates in response to imaging radiation—whose composition includes a large proportion of crosslinker.

Abstract: The invention relates to a multi-layer, expandable sleeve (100) for a printing press cylinder, particularly for flexographic printing. The sleeve has an inner layer (110) with a hard surface inner jacket (112), which defines a longitudinal axis (A) and the cavity for mounting on the cylinder, and an outer layer (130) with a cylindrical outer jacket (132) for carrying an outer shell, a printing plate or a separate outer sleeve, in particular. An intermediate layer (120), manufactured in the form of a lightweight honeycomb having honeycomb cells oriented radially (B) to the longitudinal axis (A), is provided between the inner jacket (112) and the outer jacket (132). According to the invention, the intermediate layer (120) comprises at least one honeycomb layer (122-1, 122-2, 122-3, 122-4, 122-5) consisting of shaped cured fiber composite honeycomb made of fiber material embedded in a resin matrix.

Abstract: A printing device employing a rewritable plate, includes: a first plate forming member forming a rewritable plate; a latent image forming unit as to the first plate forming member; a protrusion forming unit selectively adhering an ink-repellent particle to a portion where a latent image on the surface of the first plate forming member is formed; a second plate forming member accepting and holding the ink-repellent particle adhered onto the surface of the first plate forming member using a hollow included in the surface; a pressure adhesion unit configured to push the ink-repellent particle adhered into the hollow; and a recording material supply unit supplying a recording material to the surface of the second plate forming member; with the surface of the ink-repellent particle having a property of repelling the recording material, and also the surfaces of the plate forming members having a property not to repel the recording material.

Abstract: A relief printing plate manufacturing method includes: generating binary image data based on multivalued image data representing a printing image; generating, from the binary image data, target stereoscopic shape data; calculating, based on the target stereoscopic shape data, exposure amount data; providing a predetermined exposure amount to an outside image adjacent pixel in a range of predetermined pixels adjacent to an ON pixel; and applying laser light to an area of OFF pixels based on the exposure amount data to engrave a portion outside of an area, and applying laser light to the outside image adjacent pixel based on the predetermined exposure amount to form a relief having a projecting shape with a corner part of a flange part of a top face of the relief at least partially chamfered.

Abstract: There is described an intaglio printing plate (1; 1*) for the production of banknotes and like printed securities, which intaglio printing plate comprises an engraved polymer layer (10) and wherein a surface of the engraved polymer layer is covered by one or more coatings (100; 200, 300) including an outer coating (100; 300) made of a wear-resistant material. The outer coating (100; 300) is advantageously formed by physical vapour deposition (PVD) of the wear-resistant material. Also described is a method of manufacturing the intaglio printing plate (1; 1*).

Abstract: A system for engraving a flexographic relief member includes a laser scanning apparatus providing a focused radiation beam. The flexographic relief member includes a laser engraveable flexographic member; a thin engraveable control layer on top of the flexographic member; and wherein the engraveable control layer has an engraving sensitivity lower than the flexographic member.

Abstract: Disclosed are a printing plate and a mirror thereof, the printing plate including: printing portions for transferring an immersed solution, the printing portions being formed flat and arranged at regular intervals on one side of an upper part of the printing plate; and non-printing portions corresponding to a remaining area other than the printing portions, the non-printing portions being formed with at least two concavities and convexities respectively and arranged at regular intervals on the other side of the upper part of the printing plate.

Abstract: The present invention relates to a cliché, a manufacturing method of a cliché, and a pattern formed by a roll printing method to prevent deteriorations due to sagging and a disconnection of an end portion or a rounded angular portion, the cliché having a surface formed with a groove, wherein the end portion of the groove has a narrower width than the width of the center portion of the groove.

Abstract: A method for controlling the metering of ink in a printing press uses a control unit for comparing measured color values established on a print control strip to target color values and for controlling the metering of ink in the inking units of a printing press. The method is distinguished by the fact that the halftone of the measurement fields used for establishing the measured color values in the print control strip is independent of the halftone of the printed image. A printing substrate, a printing plate and a printing press having a device for creating halftone image data are also provided.

Abstract: The present disclosure describes a printing original plate capable of being laser-engraved such that printing deficiency caused by residues is avoided, and such that resolution and printing quality are good. A flexographic printing original plate capable of being laser-engraved which is obtained by subjecting a photosensitive resin composition containing (A) at least one latex having a weight-average degree of gelation of 40% or more, (B) photopolymerizable compound and (C) photopolymerization initiator to irradiation to light followed by cross-linking and curing. The photopolymerizable component (B) contains the photopolymerizable oligomer and the ethylenic unsaturated monomer in 10 to 25% by weight and 5 to 40% by weight, respectively, to the weight of the photosensitive resin composition and the ethylenic unsaturated monomer comprises 75 to 5% by weight of monofunctional monomer and 25 to 95% by weight of trifunctional monomer.

Abstract: Disclosed is a resin composition for laser engraving, comprising (Component A) a macromonomer comprising only one radically polymerizable group in the molecule, (Component B) a polyfunctional ethylenically unsaturated compound comprising two or more radically polymerizable groups in the molecule, (Component C) a binder polymer, and (Component D) a radical polymerization initiator.

Abstract: A letterpress printing plate, made of a material having flexibility, includes a plurality of raised parts to applying ink to, the raised parts including a raised part for solid shade, and a buildup part formed at a backside position of the raised part for solid shade with respect to the printing plate.

Abstract: To provide a resin composition for a laser-engravable flexographic printing plate that has excellent removability for engraving residue generated when laser-engraving a printing plate precursor and that can give a flexographic printing plate that is excellent in terms of non-tackiness, hardness, printing durability, and halftone shape. A resin composition for a laser-engravable flexographic printing plate, the resin composition that comprises (Component A) a polyurethane resin having a group represented by Formula (1), (Component B) an ethylenically unsaturated compound, and (Component C) a polymerization initiator wherein in the Formula, R and R? independently denote a hydrogen atom or an alkyl group, R? denotes an alkyl group, R and R? may be linked to form a ring, and the wavy line portion denotes the position of bonding.

Abstract: This invention pertains to a process for making flexographic printing forms, particularly relief printing forms, from two or more photosensitive elements welded to one another at their edges, wherein the welding is accomplished by microwave energy. This invention also relates to sealing edges of a cylindrically-shaped photosensitive element. Using microwave energy provides a smooth surface upon welding with a near disappearance of the weld-lines.

Abstract: To provide a resin composition for laser engraving that can give a flexographic printing plate precursor for laser engraving that is excellent in terms of engraving residue rinsing properties and scattering inhibition, a flexographic printing plate precursor for laser engraving and a process for producing same employing the resin composition for laser engraving, and a flexographic printing plate and a process for making same. A resin composition for laser engraving, comprising (Component A) a polyurethane resin comprising a carboxy group-containing polymeric polyol compound-derived constituent unit and an isocyanate compound-derived constituent unit, (Component B) an ethylenically unsaturated compound, and (Component C) a polymerization initiator.

Abstract: A method of tailoring the shape of a plurality of relief dots created in a photosensitive printing blank during a digital platemaking process is provided. The photosensitive printing blank comprises a laser ablatable mask layer disposed on at least one photocurable layer which is mountable on a printing sleeve. The method comprises the steps of (1) laser ablating the laser ablatable mask layer to create an in situ negative in the laser ablatable layer; (2) placing a barrier layer on top of the laser ablatable mask layer; (3) exposing the at least one photocurable layer to actinic radiation through the barrier layer and the in situ negative; (4) removing the barrier layer; and (5) developing the imaged and exposed photosensitive printing blank to reveal the relief image therein, the relief image comprising the plurality of relief dots. The presence of the barrier layer produces printing dots having desired geometric characteristics.

Abstract: The present invention provides a photosensitive letterpress printing original plate provided with a heat sensitive mask layer having high light blocking effect and durability yet prepared as a thin film. A photosensitive letterpress printing original plate including at least (A) a supporting member, (B) a photosensitive resin layer, and (C) a heat sensitive mask layer that are successively laminated, wherein the heat sensitive mask layer (C) contains carbon black and, as a dispersion binder therefor, a butyral resin as well as polyamide containing polar group selected from the group consisting of polyamide containing a tertiary amine group, polyamide containing a quaternary ammonium salt group, polyamide containing an ether group and polyamide containing a sulfonic group.

Abstract: This pad microprinting device comprises: a multi-level pad (34) wherein the printing pattern is made out of elastomeric material for which the Young's modulus is between 0.1 and 100 MPa, and a stop mechanism (62-64) capable of keeping an incompressible space of a thickness Dn between the nth flat bottom (122B) and the face of the substrate (32) on which an imprint has to be printed, when the pad is compressed against the face of the substrate to print off the imprint, the thickness Dn being between hn/2 and hn+100 nm where hn is the height of the protrusions of the printing pattern.

Abstract: The invention pertains to a printing form and a process for preparing the printing form from a curable composition that includes an epoxy resin, less than a stoichiometric amount of at least one amine curing agent, and optionally a catalytic curing agent and/or a latent curing agent. The process includes applying the curable composition to a supporting substrate to form a layer, partially curing the layer at a first temperature, engraving the partially cured layer, and then completing the curing by heating at a second temperature greater than the first temperature. The less than stoichiometric amount of the amine curing agent guarantees that after the first curing step, epoxy functionalities in the curable composition will be available for second curing step. The optional catalytic curing agent or latent curing agent promotes completion of the cure at higher temperature.

Abstract: An apparatus for curing a printing plate made of or having photo-curable material, a method of curing such a printing plate, and a printing plate cured by the method. One embodiment of the method includes curing a printing plate made of or having photo-curable material thereon. The method includes producing light energy on part of the printing plate using a light exposure unit, including relative motion between the light energy and the plate in a transverse direction at a changeable period of repetition, such that curing can produce printing features on the plate that can be switched to have either flat tops or round tops according to the period of repetition.

Abstract: Disclosed is a resin composition for laser engraving, comprising (Component A) a binder polymer and (Component B) a crosslinking agent, and a crosslinked relief-forming layer formed from the composition being depolymerizable. Component A preferably comprises (Component A-1) a depolymerizable binder polymer. Component A-1 preferably comprises any one selected from the group consisting of a polyester resin, a resin containing at least 50 mol % of a (meth)acrylic acid ester as a monomer unit, and a resin containing at least 50 mol % of ?-methylstyrene as a monomer unit.